Fukushima Unit 3 Muon Scan Finds NO FUEL In Reactor Vessel
TEPCO announced late Friday the preliminary results of the unit 3 reactor muon scan. The muon scan is capable of
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Fukushima Unit 3 Inspections Find More Melted Fuel
Day 3 of the inspections inside the unit 3 pedestal have been concluded. TEPCO did not report if the ROV
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Fuel Residue Found In Fukushima Unit 3
TEPCO has announced that they have found what they believe is fuel residues inside the pedestal area of unit 3.
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Fukushima Unit 3 Containment Inspection Starts With A Surprise
TEPCO announced that the containment inspections for unit 3 will start today. This will include a more direct inspection than
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Fukushima Unit 3 To Get Muon Scan End Of April
TEPCO published press handouts that there will be a muon scan of Fukushima unit 3 starting in May of 2017.
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Radiation Imaging Drone Introduced At Fukushima Daiichi
A new quadcopter drone has been introduced for use at Fukushima Daiichi. The RISER quadcopter is currently in use to
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Fukushima Daiichi; Progress & Problems This Week
TEPCO announced that they would further delay spent fuel removal at unit 3, citing high radiation levels. Spent fuel removal
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Fukushima Unit 3 Cover Building Installation Underway
The cover building installation for unit 3 is currently underway. A TEPCO handout from January 17th shows a “stopper” bracket
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TEPCO Begins Installing Unit 3 Defueling Building
TEPCO began installing the first sections of the defueling building this week. The decking is the first portion of what
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Fukushima Unit 3 Spent Fuel Removal Work Begins
The process to remove the spent fuel from the pool at unit 3 will be a long term project but
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Fukushima Unit 3 3D Torus Scans Begin
3D inspections of the unit 3 torus room are set to begin December 22nd. This work is expected to investigate
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TEPCO Makes Two New Big Admissions On Fukushima Disaster
TEPCO has made two major admissions on the Fukushima nuclear disaster. The Japanese press has documented these two out of
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Fukushima Unit 3 New Hatch Investigation
TEPCO sent the small 3D printed robot equipped with a smart phone into inspect the unit 3 containment hatch a
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New Analysis Shows Fukushima Unit 3 Released High Concentration Of Contamination
Yomiuri Shimbun is reporting a new analysis by Japan Atomic Energy Agency that shows Fukushima unit 3 may have released
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Fukushima Unit 3 Second Containment Inspection Results
TEPCO states that data gathered will be released later. They have released some images of the second day of containment
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Fukushima Unit 3 First Photos Inside Containment
TEPCO has released a set of images taken inside the containment structure of unit 3 on March 20th. This is
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Fukushima Unit 3 Containment Probe On October 20th
TEPCO quietly announced that October 20th they would conduct the first containment inspection of unit 3. This is significant work
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Japan NRA Begins Restart Checks On Reactor Under Court Injunction Not To Run
NRA is doing pre-restart inspections on Takahama unit 3, even after the potential restart of the reactor was blocked by
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Fukushima Unit 3 Fuel Crane Removed From Spent Fuel Pool
TEPCO successfully removed the fuel handling crane from the spent fuel pool on August 2nd amid problems with fog. The
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Fukushima Unit 3 Seawater Trench Concreting Completed
TEPCO announced that they have completed the concreting of the unit 3 seawater piping trench system. Two vertical shafts are
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Fukushima Unit 3 Crane To Be Removed From Pool August 2nd
The remains of the unit 3 fuel handling crane will be removed from the spent fuel pool August 2nd. TEPCO
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Fukushima Unit 3 Fuel Crane To Be Removed This Week
TEPCO plans to remove the remains of the fuel crane from the pool this week using a special pair of
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Fukushima Unit 3 Decommissioning Plan Released
TEPCO released significant new information about the plan and progress for dealing with unit 3’s spent fuel pool. The report
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Fukushima Unit 3 Containment Inspection To Start October 2015
TEPCO and IRID recently published details on the first efforts to probe the unit 3 reactor at Fukushima Daiichi. In
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Fukushima Daiichi Unit 3 Spent Fuel Pool Gate Inspected
The unit 3 spent fuel pool gate was inspected further after concerns that the fuel handling crane could have damaged
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Fukushima Unit 3 Spent Fuel Pool Gate Damaged
NHK is reporting that TEPCO has admitted that two spent fuel pool gates at unit 3 are damaged. They described the first
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Fukushima Daiichi Unit 3 Fuel Removal To Start Within Year
TEPCO told Yomiuri Shimbun that they expect to begin removing spent fuel at the unit 3 reactor within the 2015
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Oil Leak In Fukushima Daiichi Unit 3 Spent Fuel Pool
An oil leak occurred in the spent fuel pool of unit 3 at Fukushima Daiichi today as work was under
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Frozen Wall Delayed As More Concreting At Fukushima Daiichi
TEPCO announced a two week delay in work to install a frozen underground wall around the leaking reactors at Fukushima
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TEPCO Begins Concreting Unit 3 Trench
TEPCO concreted the unit 3 trench in some unannounced work at Fukushima Daiichi. The unit 2 cable trench had been
Read moreTEPCO Admonished For Corner Cutting That Caused Massive 2014 Fukushima Radiation Release
NRA has issued an administrative order over the misuse of spray dust inhibitors. While the subject sounds benign, this corner
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Fukushima Unit 3 Dust Disperal Hints At Accident Events
TEPCO’s report on contaminated dust dispersal that ended up contaminating rice fields north of the damaged nuclear site may indicate
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Fukushima Refueling Machine Portion Falls In Spent Fuel Pool
TEPCO is reporting that the console portion of the refueling machine that fell into the spent fuel pool of unit 3
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TEPCO To Begin Unit 3 Crane Removal From Spent Fuel Pool
A brief note in the daily reports mentioned that TEPCO will be pausing cooling to the unit 3 spent fuel
Read moreFukushima Unit 3 Reactor Vessel Failure Preceded Explosion
As part of TEPCO’s admission that 100% of the unit 3 core has melted and left the reactor vessel, they
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TEPCO Admits Unit 3 Had Total Melt Through
TEPCO has admitted that the fuel at unit 3 had a complete melt through. This is where 100% of the
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Fukushima Trench Freezing Failures & Tactics Technical Report
Update: Added table of sea water data at the end and another TEPCO handout on the work released this week.
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Fukushima Unit 3 Demolition Spread Contamination 50km, Multiple Instances
More information has come out about the contamination caused by the demolition work on unit 3. It was not the
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4 Trillion Becquerels Released Over 4 Hours From Unit 3 During Demolition
Yahoo News is reporting that over a 4 hour period of demolition work on unit 3 in August 2013, 4
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TEPCO Contaminated Nearby Town During Unit 3 Demolition
TEPCO has admitted to re-contaminating the area around Minamisoma after being confronted by the agriculture ministry. Rice in Minamisoma was
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